9 Audio amplifiers; Audio and video recordings featuring music and artistic performances; Audio electronic components, namely, surround sound systems; Audio equaliser apparatus; Audio equipment for vehicles, namely, stereos, speakers, amplifiers, equalizers, crossovers and speaker housings; Audio mixers; Audio processing equipment, namely, limiters and compressors; Audio recorders; Audio transmitter units; Audio- and video-receivers; Audio-frequency transformers; Computer hardware for communicating audio, video and data between computers via a global computer network, wide-area computer networks, and peer-to-peer computer networks; Computer software for controlling the operation of audio and video devices; Computer software for manipulating digital audio information for use in audio media applications; Computer software for use in the encryption and decryption of digital files, including audio, video, text, binary, still images, graphics and multimedia files; Computer software for use in the safeguarding of digital files, including audio, video, text, binary, still images, graphics and multimedia files; Computer software to control and improve computer and audio equipment sound quality; Computer software to enhance the audio-visual capabilities of multimedia applications, namely, for the integration of text, audio, graphics, still images and moving pictures; Computer-controlled apparatus for testing and measuring audio; Consumer electronic products, namely, audio amplifiers, audio speakers, audio receivers, electrical audio and speaker cables and connectors, audio decoders, video decoders, speakers, power conversion devices, power converters, and power inverters; Digital audio and video recorders and players; Digital audio players; Electric audio playback units; Electronic products for the generation, measurement, and analysis of audio signals, namely, audio analyzers; Electronic products for the manipulation of the frequency, time, and amplitude characteristics of audio signals, namely, audio processors; Equalizers being audio apparatus; Portable and handheld digital electronic devices for recording, organizing, transmitting, manipulating, and reviewing text, data, image, and audio files; Prerecorded audio tapes featuring music; Receivers for audio; Software to control and improve audio equipment sound quality